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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<span class="sourceLineNo">003</span> * contributor license agreements.  See the NOTICE file distributed with<a name="line.3"></a>
<span class="sourceLineNo">004</span> * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<span class="sourceLineNo">005</span> * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
<span class="sourceLineNo">006</span> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<span class="sourceLineNo">007</span> * the License.  You may obtain a copy of the License at<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> *      http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<span class="sourceLineNo">010</span> *<a name="line.10"></a>
<span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<span class="sourceLineNo">014</span> * See the License for the specific language governing permissions and<a name="line.14"></a>
<span class="sourceLineNo">015</span> * limitations under the License.<a name="line.15"></a>
<span class="sourceLineNo">016</span> */<a name="line.16"></a>
<span class="sourceLineNo">017</span><a name="line.17"></a>
<span class="sourceLineNo">018</span>package org.apache.commons.net.smtp;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.io.BufferedReader;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.io.BufferedWriter;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.io.InputStreamReader;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.io.OutputStreamWriter;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.ArrayList;<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.commons.net.MalformedServerReplyException;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.apache.commons.net.ProtocolCommandSupport;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.commons.net.SocketClient;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.commons.net.io.CRLFLineReader;<a name="line.30"></a>
<span class="sourceLineNo">031</span><a name="line.31"></a>
<span class="sourceLineNo">032</span>/***<a name="line.32"></a>
<span class="sourceLineNo">033</span> * SMTP provides the basic the functionality necessary to implement your<a name="line.33"></a>
<span class="sourceLineNo">034</span> * own SMTP client.  To derive the full benefits of the SMTP class requires<a name="line.34"></a>
<span class="sourceLineNo">035</span> * some knowledge of the FTP protocol defined in RFC 821.  However, there<a name="line.35"></a>
<span class="sourceLineNo">036</span> * is no reason why you should have to use the SMTP class.  The<a name="line.36"></a>
<span class="sourceLineNo">037</span> * {@link org.apache.commons.net.smtp.SMTPClient} class,<a name="line.37"></a>
<span class="sourceLineNo">038</span> * derived from SMTP,<a name="line.38"></a>
<span class="sourceLineNo">039</span> * implements all the functionality required of an SMTP client.  The<a name="line.39"></a>
<span class="sourceLineNo">040</span> * SMTP class is made public to provide access to various SMTP constants<a name="line.40"></a>
<span class="sourceLineNo">041</span> * and to make it easier for adventurous programmers (or those with<a name="line.41"></a>
<span class="sourceLineNo">042</span> * special needs) to interact with the SMTP protocol and implement their<a name="line.42"></a>
<span class="sourceLineNo">043</span> * own clients.  A set of methods with names corresponding to the SMTP<a name="line.43"></a>
<span class="sourceLineNo">044</span> * command names are provided to facilitate this interaction.<a name="line.44"></a>
<span class="sourceLineNo">045</span> * &lt;p&gt;<a name="line.45"></a>
<span class="sourceLineNo">046</span> * You should keep in mind that the SMTP server may choose to prematurely<a name="line.46"></a>
<span class="sourceLineNo">047</span> * close a connection for various reasons.  The SMTP class will detect a<a name="line.47"></a>
<span class="sourceLineNo">048</span> * premature SMTP server connection closing when it receives a<a name="line.48"></a>
<span class="sourceLineNo">049</span> * {@link org.apache.commons.net.smtp.SMTPReply#SERVICE_NOT_AVAILABLE SMTPReply.SERVICE_NOT_AVAILABLE }<a name="line.49"></a>
<span class="sourceLineNo">050</span> *  response to a command.<a name="line.50"></a>
<span class="sourceLineNo">051</span> * When that occurs, the SMTP class method encountering that reply will throw<a name="line.51"></a>
<span class="sourceLineNo">052</span> * an {@link org.apache.commons.net.smtp.SMTPConnectionClosedException}<a name="line.52"></a>
<span class="sourceLineNo">053</span> * .<a name="line.53"></a>
<span class="sourceLineNo">054</span> * &lt;code&gt;SMTPConectionClosedException&lt;/code&gt;<a name="line.54"></a>
<span class="sourceLineNo">055</span> * is a subclass of &lt;code&gt; IOException &lt;/code&gt; and therefore need not be<a name="line.55"></a>
<span class="sourceLineNo">056</span> * caught separately, but if you are going to catch it separately, its<a name="line.56"></a>
<span class="sourceLineNo">057</span> * catch block must appear before the more general &lt;code&gt; IOException &lt;/code&gt;<a name="line.57"></a>
<span class="sourceLineNo">058</span> * catch block.  When you encounter an<a name="line.58"></a>
<span class="sourceLineNo">059</span> * {@link org.apache.commons.net.smtp.SMTPConnectionClosedException}<a name="line.59"></a>
<span class="sourceLineNo">060</span> * , you must disconnect the connection with<a name="line.60"></a>
<span class="sourceLineNo">061</span> * {@link org.apache.commons.net.SocketClient#disconnect  disconnect() }<a name="line.61"></a>
<span class="sourceLineNo">062</span> * to properly clean up the system resources used by SMTP.  Before<a name="line.62"></a>
<span class="sourceLineNo">063</span> * disconnecting, you may check the<a name="line.63"></a>
<span class="sourceLineNo">064</span> * last reply code and text with<a name="line.64"></a>
<span class="sourceLineNo">065</span> * {@link #getReplyCode  getReplyCode },<a name="line.65"></a>
<span class="sourceLineNo">066</span> * {@link #getReplyString  getReplyString },<a name="line.66"></a>
<span class="sourceLineNo">067</span> * and {@link #getReplyStrings  getReplyStrings}.<a name="line.67"></a>
<span class="sourceLineNo">068</span> * &lt;p&gt;<a name="line.68"></a>
<span class="sourceLineNo">069</span> * Rather than list it separately for each method, we mention here that<a name="line.69"></a>
<span class="sourceLineNo">070</span> * every method communicating with the server and throwing an IOException<a name="line.70"></a>
<span class="sourceLineNo">071</span> * can also throw a<a name="line.71"></a>
<span class="sourceLineNo">072</span> * {@link org.apache.commons.net.MalformedServerReplyException}<a name="line.72"></a>
<span class="sourceLineNo">073</span> * , which is a subclass<a name="line.73"></a>
<span class="sourceLineNo">074</span> * of IOException.  A MalformedServerReplyException will be thrown when<a name="line.74"></a>
<span class="sourceLineNo">075</span> * the reply received from the server deviates enough from the protocol<a name="line.75"></a>
<span class="sourceLineNo">076</span> * specification that it cannot be interpreted in a useful manner despite<a name="line.76"></a>
<span class="sourceLineNo">077</span> * attempts to be as lenient as possible.<a name="line.77"></a>
<span class="sourceLineNo">078</span> * &lt;p&gt;<a name="line.78"></a>
<span class="sourceLineNo">079</span> * &lt;p&gt;<a name="line.79"></a>
<span class="sourceLineNo">080</span> * @see SMTPClient<a name="line.80"></a>
<span class="sourceLineNo">081</span> * @see SMTPConnectionClosedException<a name="line.81"></a>
<span class="sourceLineNo">082</span> * @see org.apache.commons.net.MalformedServerReplyException<a name="line.82"></a>
<span class="sourceLineNo">083</span> ***/<a name="line.83"></a>
<span class="sourceLineNo">084</span><a name="line.84"></a>
<span class="sourceLineNo">085</span>public class SMTP extends SocketClient<a name="line.85"></a>
<span class="sourceLineNo">086</span>{<a name="line.86"></a>
<span class="sourceLineNo">087</span>    /*** The default SMTP port (25). ***/<a name="line.87"></a>
<span class="sourceLineNo">088</span>    public static final int DEFAULT_PORT = 25;<a name="line.88"></a>
<span class="sourceLineNo">089</span><a name="line.89"></a>
<span class="sourceLineNo">090</span>    // We have to ensure that the protocol communication is in ASCII<a name="line.90"></a>
<span class="sourceLineNo">091</span>    // but we use ISO-8859-1 just in case 8-bit characters cross<a name="line.91"></a>
<span class="sourceLineNo">092</span>    // the wire.<a name="line.92"></a>
<span class="sourceLineNo">093</span>    private static final String __DEFAULT_ENCODING = "ISO-8859-1";<a name="line.93"></a>
<span class="sourceLineNo">094</span><a name="line.94"></a>
<span class="sourceLineNo">095</span>    /**<a name="line.95"></a>
<span class="sourceLineNo">096</span>     * The encoding to use (user-settable).<a name="line.96"></a>
<span class="sourceLineNo">097</span>     *<a name="line.97"></a>
<span class="sourceLineNo">098</span>     * @since 3.1 (changed from private to protected)<a name="line.98"></a>
<span class="sourceLineNo">099</span>     */<a name="line.99"></a>
<span class="sourceLineNo">100</span>    protected final String encoding;<a name="line.100"></a>
<span class="sourceLineNo">101</span><a name="line.101"></a>
<span class="sourceLineNo">102</span>    /**<a name="line.102"></a>
<span class="sourceLineNo">103</span>     * A ProtocolCommandSupport object used to manage the registering of<a name="line.103"></a>
<span class="sourceLineNo">104</span>     * ProtocolCommandListeners and te firing of ProtocolCommandEvents.<a name="line.104"></a>
<span class="sourceLineNo">105</span>     */<a name="line.105"></a>
<span class="sourceLineNo">106</span>    protected ProtocolCommandSupport _commandSupport_;<a name="line.106"></a>
<span class="sourceLineNo">107</span><a name="line.107"></a>
<span class="sourceLineNo">108</span>    BufferedReader _reader;<a name="line.108"></a>
<span class="sourceLineNo">109</span>    BufferedWriter _writer;<a name="line.109"></a>
<span class="sourceLineNo">110</span><a name="line.110"></a>
<span class="sourceLineNo">111</span>    private int _replyCode;<a name="line.111"></a>
<span class="sourceLineNo">112</span>    private final ArrayList&lt;String&gt; _replyLines;<a name="line.112"></a>
<span class="sourceLineNo">113</span>    private boolean _newReplyString;<a name="line.113"></a>
<span class="sourceLineNo">114</span>    private String _replyString;<a name="line.114"></a>
<span class="sourceLineNo">115</span><a name="line.115"></a>
<span class="sourceLineNo">116</span>    /***<a name="line.116"></a>
<span class="sourceLineNo">117</span>     * The default SMTP constructor.  Sets the default port to<a name="line.117"></a>
<span class="sourceLineNo">118</span>     * &lt;code&gt;DEFAULT_PORT&lt;/code&gt; and initializes internal data structures<a name="line.118"></a>
<span class="sourceLineNo">119</span>     * for saving SMTP reply information.<a name="line.119"></a>
<span class="sourceLineNo">120</span>     ***/<a name="line.120"></a>
<span class="sourceLineNo">121</span>    public SMTP()<a name="line.121"></a>
<span class="sourceLineNo">122</span>    {<a name="line.122"></a>
<span class="sourceLineNo">123</span>        this(__DEFAULT_ENCODING);<a name="line.123"></a>
<span class="sourceLineNo">124</span>    }<a name="line.124"></a>
<span class="sourceLineNo">125</span><a name="line.125"></a>
<span class="sourceLineNo">126</span>    /**<a name="line.126"></a>
<span class="sourceLineNo">127</span>     * Overloaded constructor where the user may specify a default encoding.<a name="line.127"></a>
<span class="sourceLineNo">128</span>     * @param encoding<a name="line.128"></a>
<span class="sourceLineNo">129</span>     * @since 2.0<a name="line.129"></a>
<span class="sourceLineNo">130</span>     */<a name="line.130"></a>
<span class="sourceLineNo">131</span>    public SMTP(String encoding) {<a name="line.131"></a>
<span class="sourceLineNo">132</span>        setDefaultPort(DEFAULT_PORT);<a name="line.132"></a>
<span class="sourceLineNo">133</span>        _replyLines = new ArrayList&lt;String&gt;();<a name="line.133"></a>
<span class="sourceLineNo">134</span>        _newReplyString = false;<a name="line.134"></a>
<span class="sourceLineNo">135</span>        _replyString = null;<a name="line.135"></a>
<span class="sourceLineNo">136</span>        _commandSupport_ = new ProtocolCommandSupport(this);<a name="line.136"></a>
<span class="sourceLineNo">137</span>        this.encoding = encoding;<a name="line.137"></a>
<span class="sourceLineNo">138</span>    }<a name="line.138"></a>
<span class="sourceLineNo">139</span><a name="line.139"></a>
<span class="sourceLineNo">140</span>    /**<a name="line.140"></a>
<span class="sourceLineNo">141</span>     * Send a command to the server. May also be used to send text data.<a name="line.141"></a>
<span class="sourceLineNo">142</span>     *<a name="line.142"></a>
<span class="sourceLineNo">143</span>     * @param command the command to send (as a plain String)<a name="line.143"></a>
<span class="sourceLineNo">144</span>     * @param args the command arguments, may be {@code null}<a name="line.144"></a>
<span class="sourceLineNo">145</span>     * @param includeSpace if {@code true}, add a space between the command and its arguments<a name="line.145"></a>
<span class="sourceLineNo">146</span>     * @return the reply code<a name="line.146"></a>
<span class="sourceLineNo">147</span>     * @throws IOException<a name="line.147"></a>
<span class="sourceLineNo">148</span>     */<a name="line.148"></a>
<span class="sourceLineNo">149</span>    private int __sendCommand(String command, String args, boolean includeSpace)<a name="line.149"></a>
<span class="sourceLineNo">150</span>    throws IOException<a name="line.150"></a>
<span class="sourceLineNo">151</span>    {<a name="line.151"></a>
<span class="sourceLineNo">152</span>        StringBuilder __commandBuffer = new StringBuilder();<a name="line.152"></a>
<span class="sourceLineNo">153</span>        __commandBuffer.append(command);<a name="line.153"></a>
<span class="sourceLineNo">154</span><a name="line.154"></a>
<span class="sourceLineNo">155</span>        if (args != null)<a name="line.155"></a>
<span class="sourceLineNo">156</span>        {<a name="line.156"></a>
<span class="sourceLineNo">157</span>            if (includeSpace) {<a name="line.157"></a>
<span class="sourceLineNo">158</span>                __commandBuffer.append(' ');<a name="line.158"></a>
<span class="sourceLineNo">159</span>            }<a name="line.159"></a>
<span class="sourceLineNo">160</span>            __commandBuffer.append(args);<a name="line.160"></a>
<span class="sourceLineNo">161</span>        }<a name="line.161"></a>
<span class="sourceLineNo">162</span><a name="line.162"></a>
<span class="sourceLineNo">163</span>        __commandBuffer.append(SocketClient.NETASCII_EOL);<a name="line.163"></a>
<span class="sourceLineNo">164</span><a name="line.164"></a>
<span class="sourceLineNo">165</span>        String message;<a name="line.165"></a>
<span class="sourceLineNo">166</span>        _writer.write(message = __commandBuffer.toString());<a name="line.166"></a>
<span class="sourceLineNo">167</span>        _writer.flush();<a name="line.167"></a>
<span class="sourceLineNo">168</span><a name="line.168"></a>
<span class="sourceLineNo">169</span>        fireCommandSent(command, message);<a name="line.169"></a>
<span class="sourceLineNo">170</span><a name="line.170"></a>
<span class="sourceLineNo">171</span>        __getReply();<a name="line.171"></a>
<span class="sourceLineNo">172</span>        return _replyCode;<a name="line.172"></a>
<span class="sourceLineNo">173</span>    }<a name="line.173"></a>
<span class="sourceLineNo">174</span><a name="line.174"></a>
<span class="sourceLineNo">175</span>    /**<a name="line.175"></a>
<span class="sourceLineNo">176</span>     *<a name="line.176"></a>
<span class="sourceLineNo">177</span>     * @param command the command to send (as an int defined in {@link SMPTCommand})<a name="line.177"></a>
<span class="sourceLineNo">178</span>     * @param args the command arguments, may be {@code null}<a name="line.178"></a>
<span class="sourceLineNo">179</span>     * @param includeSpace if {@code true}, add a space between the command and its arguments<a name="line.179"></a>
<span class="sourceLineNo">180</span>     * @return the reply code<a name="line.180"></a>
<span class="sourceLineNo">181</span>     * @throws IOException<a name="line.181"></a>
<span class="sourceLineNo">182</span>     */<a name="line.182"></a>
<span class="sourceLineNo">183</span>    private int __sendCommand(int command, String args, boolean includeSpace)<a name="line.183"></a>
<span class="sourceLineNo">184</span>    throws IOException<a name="line.184"></a>
<span class="sourceLineNo">185</span>    {<a name="line.185"></a>
<span class="sourceLineNo">186</span>        return __sendCommand(SMTPCommand.getCommand(command), args, includeSpace);<a name="line.186"></a>
<span class="sourceLineNo">187</span>    }<a name="line.187"></a>
<span class="sourceLineNo">188</span><a name="line.188"></a>
<span class="sourceLineNo">189</span>    private void __getReply() throws IOException<a name="line.189"></a>
<span class="sourceLineNo">190</span>    {<a name="line.190"></a>
<span class="sourceLineNo">191</span>        int length;<a name="line.191"></a>
<span class="sourceLineNo">192</span><a name="line.192"></a>
<span class="sourceLineNo">193</span>        _newReplyString = true;<a name="line.193"></a>
<span class="sourceLineNo">194</span>        _replyLines.clear();<a name="line.194"></a>
<span class="sourceLineNo">195</span><a name="line.195"></a>
<span class="sourceLineNo">196</span>        String line = _reader.readLine();<a name="line.196"></a>
<span class="sourceLineNo">197</span><a name="line.197"></a>
<span class="sourceLineNo">198</span>        if (line == null) {<a name="line.198"></a>
<span class="sourceLineNo">199</span>            throw new SMTPConnectionClosedException(<a name="line.199"></a>
<span class="sourceLineNo">200</span>                "Connection closed without indication.");<a name="line.200"></a>
<span class="sourceLineNo">201</span>        }<a name="line.201"></a>
<span class="sourceLineNo">202</span><a name="line.202"></a>
<span class="sourceLineNo">203</span>        // In case we run into an anomaly we don't want fatal index exceptions<a name="line.203"></a>
<span class="sourceLineNo">204</span>        // to be thrown.<a name="line.204"></a>
<span class="sourceLineNo">205</span>        length = line.length();<a name="line.205"></a>
<span class="sourceLineNo">206</span>        if (length &lt; 3) {<a name="line.206"></a>
<span class="sourceLineNo">207</span>            throw new MalformedServerReplyException(<a name="line.207"></a>
<span class="sourceLineNo">208</span>                "Truncated server reply: " + line);<a name="line.208"></a>
<span class="sourceLineNo">209</span>        }<a name="line.209"></a>
<span class="sourceLineNo">210</span><a name="line.210"></a>
<span class="sourceLineNo">211</span>        try<a name="line.211"></a>
<span class="sourceLineNo">212</span>        {<a name="line.212"></a>
<span class="sourceLineNo">213</span>            String code = line.substring(0, 3);<a name="line.213"></a>
<span class="sourceLineNo">214</span>            _replyCode = Integer.parseInt(code);<a name="line.214"></a>
<span class="sourceLineNo">215</span>        }<a name="line.215"></a>
<span class="sourceLineNo">216</span>        catch (NumberFormatException e)<a name="line.216"></a>
<span class="sourceLineNo">217</span>        {<a name="line.217"></a>
<span class="sourceLineNo">218</span>            throw new MalformedServerReplyException(<a name="line.218"></a>
<span class="sourceLineNo">219</span>                "Could not parse response code.\nServer Reply: " + line);<a name="line.219"></a>
<span class="sourceLineNo">220</span>        }<a name="line.220"></a>
<span class="sourceLineNo">221</span><a name="line.221"></a>
<span class="sourceLineNo">222</span>        _replyLines.add(line);<a name="line.222"></a>
<span class="sourceLineNo">223</span><a name="line.223"></a>
<span class="sourceLineNo">224</span>        // Get extra lines if message continues.<a name="line.224"></a>
<span class="sourceLineNo">225</span>        if (length &gt; 3 &amp;&amp; line.charAt(3) == '-')<a name="line.225"></a>
<span class="sourceLineNo">226</span>        {<a name="line.226"></a>
<span class="sourceLineNo">227</span>            do<a name="line.227"></a>
<span class="sourceLineNo">228</span>            {<a name="line.228"></a>
<span class="sourceLineNo">229</span>                line = _reader.readLine();<a name="line.229"></a>
<span class="sourceLineNo">230</span><a name="line.230"></a>
<span class="sourceLineNo">231</span>                if (line == null) {<a name="line.231"></a>
<span class="sourceLineNo">232</span>                    throw new SMTPConnectionClosedException(<a name="line.232"></a>
<span class="sourceLineNo">233</span>                        "Connection closed without indication.");<a name="line.233"></a>
<span class="sourceLineNo">234</span>                }<a name="line.234"></a>
<span class="sourceLineNo">235</span><a name="line.235"></a>
<span class="sourceLineNo">236</span>                _replyLines.add(line);<a name="line.236"></a>
<span class="sourceLineNo">237</span><a name="line.237"></a>
<span class="sourceLineNo">238</span>                // The length() check handles problems that could arise from readLine()<a name="line.238"></a>
<span class="sourceLineNo">239</span>                // returning too soon after encountering a naked CR or some other<a name="line.239"></a>
<span class="sourceLineNo">240</span>                // anomaly.<a name="line.240"></a>
<span class="sourceLineNo">241</span>            }<a name="line.241"></a>
<span class="sourceLineNo">242</span>            while (!(line.length() &gt;= 4 &amp;&amp; line.charAt(3) != '-' &amp;&amp;<a name="line.242"></a>
<span class="sourceLineNo">243</span>                     Character.isDigit(line.charAt(0))));<a name="line.243"></a>
<span class="sourceLineNo">244</span>            // This is too strong a condition because a non-conforming server<a name="line.244"></a>
<span class="sourceLineNo">245</span>            // could screw things up like ftp.funet.fi does for FTP<a name="line.245"></a>
<span class="sourceLineNo">246</span>            // line.startsWith(code)));<a name="line.246"></a>
<span class="sourceLineNo">247</span>        }<a name="line.247"></a>
<span class="sourceLineNo">248</span><a name="line.248"></a>
<span class="sourceLineNo">249</span>        fireReplyReceived(_replyCode, getReplyString());<a name="line.249"></a>
<span class="sourceLineNo">250</span><a name="line.250"></a>
<span class="sourceLineNo">251</span>        if (_replyCode == SMTPReply.SERVICE_NOT_AVAILABLE) {<a name="line.251"></a>
<span class="sourceLineNo">252</span>            throw new SMTPConnectionClosedException(<a name="line.252"></a>
<span class="sourceLineNo">253</span>                "SMTP response 421 received.  Server closed connection.");<a name="line.253"></a>
<span class="sourceLineNo">254</span>        }<a name="line.254"></a>
<span class="sourceLineNo">255</span>    }<a name="line.255"></a>
<span class="sourceLineNo">256</span><a name="line.256"></a>
<span class="sourceLineNo">257</span>    /*** Initiates control connections and gets initial reply. ***/<a name="line.257"></a>
<span class="sourceLineNo">258</span>    @Override<a name="line.258"></a>
<span class="sourceLineNo">259</span>    protected void _connectAction_() throws IOException<a name="line.259"></a>
<span class="sourceLineNo">260</span>    {<a name="line.260"></a>
<span class="sourceLineNo">261</span>        super._connectAction_();<a name="line.261"></a>
<span class="sourceLineNo">262</span>        _reader =<a name="line.262"></a>
<span class="sourceLineNo">263</span>            new CRLFLineReader(new InputStreamReader(_input_,<a name="line.263"></a>
<span class="sourceLineNo">264</span>                                                    encoding));<a name="line.264"></a>
<span class="sourceLineNo">265</span>        _writer =<a name="line.265"></a>
<span class="sourceLineNo">266</span>            new BufferedWriter(new OutputStreamWriter(_output_,<a name="line.266"></a>
<span class="sourceLineNo">267</span>                                                      encoding));<a name="line.267"></a>
<span class="sourceLineNo">268</span>        __getReply();<a name="line.268"></a>
<span class="sourceLineNo">269</span><a name="line.269"></a>
<span class="sourceLineNo">270</span>    }<a name="line.270"></a>
<span class="sourceLineNo">271</span><a name="line.271"></a>
<span class="sourceLineNo">272</span><a name="line.272"></a>
<span class="sourceLineNo">273</span>    /***<a name="line.273"></a>
<span class="sourceLineNo">274</span>     * Closes the connection to the SMTP server and sets to null<a name="line.274"></a>
<span class="sourceLineNo">275</span>     * some internal data so that the memory may be reclaimed by the<a name="line.275"></a>
<span class="sourceLineNo">276</span>     * garbage collector.  The reply text and code information from the<a name="line.276"></a>
<span class="sourceLineNo">277</span>     * last command is voided so that the memory it used may be reclaimed.<a name="line.277"></a>
<span class="sourceLineNo">278</span>     * &lt;p&gt;<a name="line.278"></a>
<span class="sourceLineNo">279</span>     * @exception IOException If an error occurs while disconnecting.<a name="line.279"></a>
<span class="sourceLineNo">280</span>     ***/<a name="line.280"></a>
<span class="sourceLineNo">281</span>    @Override<a name="line.281"></a>
<span class="sourceLineNo">282</span>    public void disconnect() throws IOException<a name="line.282"></a>
<span class="sourceLineNo">283</span>    {<a name="line.283"></a>
<span class="sourceLineNo">284</span>        super.disconnect();<a name="line.284"></a>
<span class="sourceLineNo">285</span>        _reader = null;<a name="line.285"></a>
<span class="sourceLineNo">286</span>        _writer = null;<a name="line.286"></a>
<span class="sourceLineNo">287</span>        _replyString = null;<a name="line.287"></a>
<span class="sourceLineNo">288</span>        _replyLines.clear();<a name="line.288"></a>
<span class="sourceLineNo">289</span>        _newReplyString = false;<a name="line.289"></a>
<span class="sourceLineNo">290</span>    }<a name="line.290"></a>
<span class="sourceLineNo">291</span><a name="line.291"></a>
<span class="sourceLineNo">292</span><a name="line.292"></a>
<span class="sourceLineNo">293</span>    /***<a name="line.293"></a>
<span class="sourceLineNo">294</span>     * Sends an SMTP command to the server, waits for a reply and returns the<a name="line.294"></a>
<span class="sourceLineNo">295</span>     * numerical response code.  After invocation, for more detailed<a name="line.295"></a>
<span class="sourceLineNo">296</span>     * information, the actual reply text can be accessed by calling<a name="line.296"></a>
<span class="sourceLineNo">297</span>     * {@link #getReplyString  getReplyString } or<a name="line.297"></a>
<span class="sourceLineNo">298</span>     * {@link #getReplyStrings  getReplyStrings }.<a name="line.298"></a>
<span class="sourceLineNo">299</span>     * &lt;p&gt;<a name="line.299"></a>
<span class="sourceLineNo">300</span>     * @param command  The text representation of the  SMTP command to send.<a name="line.300"></a>
<span class="sourceLineNo">301</span>     * @param args The arguments to the SMTP command.  If this parameter is<a name="line.301"></a>
<span class="sourceLineNo">302</span>     *             set to null, then the command is sent with no argument.<a name="line.302"></a>
<span class="sourceLineNo">303</span>     * @return The integer value of the SMTP reply code returned by the server<a name="line.303"></a>
<span class="sourceLineNo">304</span>     *         in response to the command.<a name="line.304"></a>
<span class="sourceLineNo">305</span>     * @exception SMTPConnectionClosedException<a name="line.305"></a>
<span class="sourceLineNo">306</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.306"></a>
<span class="sourceLineNo">307</span>     *      of the client being idle or some other reason causing the server<a name="line.307"></a>
<span class="sourceLineNo">308</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.308"></a>
<span class="sourceLineNo">309</span>     *      as an IOException or independently as itself.<a name="line.309"></a>
<span class="sourceLineNo">310</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.310"></a>
<span class="sourceLineNo">311</span>     *      command or receiving the server reply.<a name="line.311"></a>
<span class="sourceLineNo">312</span>     ***/<a name="line.312"></a>
<span class="sourceLineNo">313</span>    public int sendCommand(String command, String args) throws IOException<a name="line.313"></a>
<span class="sourceLineNo">314</span>    {<a name="line.314"></a>
<span class="sourceLineNo">315</span>        return __sendCommand(command, args, true);<a name="line.315"></a>
<span class="sourceLineNo">316</span>    }<a name="line.316"></a>
<span class="sourceLineNo">317</span><a name="line.317"></a>
<span class="sourceLineNo">318</span><a name="line.318"></a>
<span class="sourceLineNo">319</span>    /***<a name="line.319"></a>
<span class="sourceLineNo">320</span>     * Sends an SMTP command to the server, waits for a reply and returns the<a name="line.320"></a>
<span class="sourceLineNo">321</span>     * numerical response code.  After invocation, for more detailed<a name="line.321"></a>
<span class="sourceLineNo">322</span>     * information, the actual reply text can be accessed by calling<a name="line.322"></a>
<span class="sourceLineNo">323</span>     * {@link #getReplyString  getReplyString } or<a name="line.323"></a>
<span class="sourceLineNo">324</span>     * {@link #getReplyStrings  getReplyStrings }.<a name="line.324"></a>
<span class="sourceLineNo">325</span>     * &lt;p&gt;<a name="line.325"></a>
<span class="sourceLineNo">326</span>     * @param command  The SMTPCommand constant corresponding to the SMTP command<a name="line.326"></a>
<span class="sourceLineNo">327</span>     *                 to send.<a name="line.327"></a>
<span class="sourceLineNo">328</span>     * @param args The arguments to the SMTP command.  If this parameter is<a name="line.328"></a>
<span class="sourceLineNo">329</span>     *             set to null, then the command is sent with no argument.<a name="line.329"></a>
<span class="sourceLineNo">330</span>     * @return The integer value of the SMTP reply code returned by the server<a name="line.330"></a>
<span class="sourceLineNo">331</span>     *         in response to the command.<a name="line.331"></a>
<span class="sourceLineNo">332</span>     * @exception SMTPConnectionClosedException<a name="line.332"></a>
<span class="sourceLineNo">333</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.333"></a>
<span class="sourceLineNo">334</span>     *      of the client being idle or some other reason causing the server<a name="line.334"></a>
<span class="sourceLineNo">335</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.335"></a>
<span class="sourceLineNo">336</span>     *      as an IOException or independently as itself.<a name="line.336"></a>
<span class="sourceLineNo">337</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.337"></a>
<span class="sourceLineNo">338</span>     *      command or receiving the server reply.<a name="line.338"></a>
<span class="sourceLineNo">339</span>     ***/<a name="line.339"></a>
<span class="sourceLineNo">340</span>    public int sendCommand(int command, String args) throws IOException<a name="line.340"></a>
<span class="sourceLineNo">341</span>    {<a name="line.341"></a>
<span class="sourceLineNo">342</span>        return sendCommand(SMTPCommand.getCommand(command), args);<a name="line.342"></a>
<span class="sourceLineNo">343</span>    }<a name="line.343"></a>
<span class="sourceLineNo">344</span><a name="line.344"></a>
<span class="sourceLineNo">345</span><a name="line.345"></a>
<span class="sourceLineNo">346</span>    /***<a name="line.346"></a>
<span class="sourceLineNo">347</span>     * Sends an SMTP command with no arguments to the server, waits for a<a name="line.347"></a>
<span class="sourceLineNo">348</span>     * reply and returns the numerical response code.  After invocation, for<a name="line.348"></a>
<span class="sourceLineNo">349</span>     * more detailed information, the actual reply text can be accessed by<a name="line.349"></a>
<span class="sourceLineNo">350</span>     * calling {@link #getReplyString  getReplyString } or<a name="line.350"></a>
<span class="sourceLineNo">351</span>     * {@link #getReplyStrings  getReplyStrings }.<a name="line.351"></a>
<span class="sourceLineNo">352</span>     * &lt;p&gt;<a name="line.352"></a>
<span class="sourceLineNo">353</span>     * @param command  The text representation of the  SMTP command to send.<a name="line.353"></a>
<span class="sourceLineNo">354</span>     * @return The integer value of the SMTP reply code returned by the server<a name="line.354"></a>
<span class="sourceLineNo">355</span>     *         in response to the command.<a name="line.355"></a>
<span class="sourceLineNo">356</span>     * @exception SMTPConnectionClosedException<a name="line.356"></a>
<span class="sourceLineNo">357</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.357"></a>
<span class="sourceLineNo">358</span>     *      of the client being idle or some other reason causing the server<a name="line.358"></a>
<span class="sourceLineNo">359</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.359"></a>
<span class="sourceLineNo">360</span>     *      as an IOException or independently as itself.<a name="line.360"></a>
<span class="sourceLineNo">361</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.361"></a>
<span class="sourceLineNo">362</span>     *      command or receiving the server reply.<a name="line.362"></a>
<span class="sourceLineNo">363</span>     ***/<a name="line.363"></a>
<span class="sourceLineNo">364</span>    public int sendCommand(String command) throws IOException<a name="line.364"></a>
<span class="sourceLineNo">365</span>    {<a name="line.365"></a>
<span class="sourceLineNo">366</span>        return sendCommand(command, null);<a name="line.366"></a>
<span class="sourceLineNo">367</span>    }<a name="line.367"></a>
<span class="sourceLineNo">368</span><a name="line.368"></a>
<span class="sourceLineNo">369</span><a name="line.369"></a>
<span class="sourceLineNo">370</span>    /***<a name="line.370"></a>
<span class="sourceLineNo">371</span>     * Sends an SMTP command with no arguments to the server, waits for a<a name="line.371"></a>
<span class="sourceLineNo">372</span>     * reply and returns the numerical response code.  After invocation, for<a name="line.372"></a>
<span class="sourceLineNo">373</span>     * more detailed information, the actual reply text can be accessed by<a name="line.373"></a>
<span class="sourceLineNo">374</span>     * calling {@link #getReplyString  getReplyString } or<a name="line.374"></a>
<span class="sourceLineNo">375</span>     * {@link #getReplyStrings  getReplyStrings }.<a name="line.375"></a>
<span class="sourceLineNo">376</span>     * &lt;p&gt;<a name="line.376"></a>
<span class="sourceLineNo">377</span>     * @param command  The SMTPCommand constant corresponding to the SMTP command<a name="line.377"></a>
<span class="sourceLineNo">378</span>     *                 to send.<a name="line.378"></a>
<span class="sourceLineNo">379</span>     * @return The integer value of the SMTP reply code returned by the server<a name="line.379"></a>
<span class="sourceLineNo">380</span>     *         in response to the command.<a name="line.380"></a>
<span class="sourceLineNo">381</span>     * @exception SMTPConnectionClosedException<a name="line.381"></a>
<span class="sourceLineNo">382</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.382"></a>
<span class="sourceLineNo">383</span>     *      of the client being idle or some other reason causing the server<a name="line.383"></a>
<span class="sourceLineNo">384</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.384"></a>
<span class="sourceLineNo">385</span>     *      as an IOException or independently as itself.<a name="line.385"></a>
<span class="sourceLineNo">386</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.386"></a>
<span class="sourceLineNo">387</span>     *      command or receiving the server reply.<a name="line.387"></a>
<span class="sourceLineNo">388</span>     ***/<a name="line.388"></a>
<span class="sourceLineNo">389</span>    public int sendCommand(int command) throws IOException<a name="line.389"></a>
<span class="sourceLineNo">390</span>    {<a name="line.390"></a>
<span class="sourceLineNo">391</span>        return sendCommand(command, null);<a name="line.391"></a>
<span class="sourceLineNo">392</span>    }<a name="line.392"></a>
<span class="sourceLineNo">393</span><a name="line.393"></a>
<span class="sourceLineNo">394</span><a name="line.394"></a>
<span class="sourceLineNo">395</span>    /***<a name="line.395"></a>
<span class="sourceLineNo">396</span>     * Returns the integer value of the reply code of the last SMTP reply.<a name="line.396"></a>
<span class="sourceLineNo">397</span>     * You will usually only use this method after you connect to the<a name="line.397"></a>
<span class="sourceLineNo">398</span>     * SMTP server to check that the connection was successful since<a name="line.398"></a>
<span class="sourceLineNo">399</span>     * &lt;code&gt; connect &lt;/code&gt; is of type void.<a name="line.399"></a>
<span class="sourceLineNo">400</span>     * &lt;p&gt;<a name="line.400"></a>
<span class="sourceLineNo">401</span>     * @return The integer value of the reply code of the last SMTP reply.<a name="line.401"></a>
<span class="sourceLineNo">402</span>     ***/<a name="line.402"></a>
<span class="sourceLineNo">403</span>    public int getReplyCode()<a name="line.403"></a>
<span class="sourceLineNo">404</span>    {<a name="line.404"></a>
<span class="sourceLineNo">405</span>        return _replyCode;<a name="line.405"></a>
<span class="sourceLineNo">406</span>    }<a name="line.406"></a>
<span class="sourceLineNo">407</span><a name="line.407"></a>
<span class="sourceLineNo">408</span>    /***<a name="line.408"></a>
<span class="sourceLineNo">409</span>     * Fetches a reply from the SMTP server and returns the integer reply<a name="line.409"></a>
<span class="sourceLineNo">410</span>     * code.  After calling this method, the actual reply text can be accessed<a name="line.410"></a>
<span class="sourceLineNo">411</span>     * from either  calling {@link #getReplyString  getReplyString } or<a name="line.411"></a>
<span class="sourceLineNo">412</span>     * {@link #getReplyStrings  getReplyStrings }.  Only use this<a name="line.412"></a>
<span class="sourceLineNo">413</span>     * method if you are implementing your own SMTP client or if you need to<a name="line.413"></a>
<span class="sourceLineNo">414</span>     * fetch a secondary response from the SMTP server.<a name="line.414"></a>
<span class="sourceLineNo">415</span>     * &lt;p&gt;<a name="line.415"></a>
<span class="sourceLineNo">416</span>     * @return The integer value of the reply code of the fetched SMTP reply.<a name="line.416"></a>
<span class="sourceLineNo">417</span>     * @exception SMTPConnectionClosedException<a name="line.417"></a>
<span class="sourceLineNo">418</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.418"></a>
<span class="sourceLineNo">419</span>     *      of the client being idle or some other reason causing the server<a name="line.419"></a>
<span class="sourceLineNo">420</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.420"></a>
<span class="sourceLineNo">421</span>     *      as an IOException or independently as itself.<a name="line.421"></a>
<span class="sourceLineNo">422</span>     * @exception IOException  If an I/O error occurs while receiving the<a name="line.422"></a>
<span class="sourceLineNo">423</span>     *                         server reply.<a name="line.423"></a>
<span class="sourceLineNo">424</span>     ***/<a name="line.424"></a>
<span class="sourceLineNo">425</span>    public int getReply() throws IOException<a name="line.425"></a>
<span class="sourceLineNo">426</span>    {<a name="line.426"></a>
<span class="sourceLineNo">427</span>        __getReply();<a name="line.427"></a>
<span class="sourceLineNo">428</span>        return _replyCode;<a name="line.428"></a>
<span class="sourceLineNo">429</span>    }<a name="line.429"></a>
<span class="sourceLineNo">430</span><a name="line.430"></a>
<span class="sourceLineNo">431</span><a name="line.431"></a>
<span class="sourceLineNo">432</span>    /***<a name="line.432"></a>
<span class="sourceLineNo">433</span>     * Returns the lines of text from the last SMTP server response as an array<a name="line.433"></a>
<span class="sourceLineNo">434</span>     * of strings, one entry per line.  The end of line markers of each are<a name="line.434"></a>
<span class="sourceLineNo">435</span>     * stripped from each line.<a name="line.435"></a>
<span class="sourceLineNo">436</span>     * &lt;p&gt;<a name="line.436"></a>
<span class="sourceLineNo">437</span>     * @return The lines of text from the last SMTP response as an array.<a name="line.437"></a>
<span class="sourceLineNo">438</span>     ***/<a name="line.438"></a>
<span class="sourceLineNo">439</span>    public String[] getReplyStrings()<a name="line.439"></a>
<span class="sourceLineNo">440</span>    {<a name="line.440"></a>
<span class="sourceLineNo">441</span>        return _replyLines.toArray(new String[_replyLines.size()]);<a name="line.441"></a>
<span class="sourceLineNo">442</span>    }<a name="line.442"></a>
<span class="sourceLineNo">443</span><a name="line.443"></a>
<span class="sourceLineNo">444</span>    /***<a name="line.444"></a>
<span class="sourceLineNo">445</span>     * Returns the entire text of the last SMTP server response exactly<a name="line.445"></a>
<span class="sourceLineNo">446</span>     * as it was received, including all end of line markers in NETASCII<a name="line.446"></a>
<span class="sourceLineNo">447</span>     * format.<a name="line.447"></a>
<span class="sourceLineNo">448</span>     * &lt;p&gt;<a name="line.448"></a>
<span class="sourceLineNo">449</span>     * @return The entire text from the last SMTP response as a String.<a name="line.449"></a>
<span class="sourceLineNo">450</span>     ***/<a name="line.450"></a>
<span class="sourceLineNo">451</span>    public String getReplyString()<a name="line.451"></a>
<span class="sourceLineNo">452</span>    {<a name="line.452"></a>
<span class="sourceLineNo">453</span>        StringBuilder buffer;<a name="line.453"></a>
<span class="sourceLineNo">454</span><a name="line.454"></a>
<span class="sourceLineNo">455</span>        if (!_newReplyString) {<a name="line.455"></a>
<span class="sourceLineNo">456</span>            return _replyString;<a name="line.456"></a>
<span class="sourceLineNo">457</span>        }<a name="line.457"></a>
<span class="sourceLineNo">458</span><a name="line.458"></a>
<span class="sourceLineNo">459</span>        buffer = new StringBuilder();<a name="line.459"></a>
<span class="sourceLineNo">460</span><a name="line.460"></a>
<span class="sourceLineNo">461</span>        for (String line : _replyLines)<a name="line.461"></a>
<span class="sourceLineNo">462</span>        {<a name="line.462"></a>
<span class="sourceLineNo">463</span>            buffer.append(line);<a name="line.463"></a>
<span class="sourceLineNo">464</span>            buffer.append(SocketClient.NETASCII_EOL);<a name="line.464"></a>
<span class="sourceLineNo">465</span>        }<a name="line.465"></a>
<span class="sourceLineNo">466</span><a name="line.466"></a>
<span class="sourceLineNo">467</span>        _newReplyString = false;<a name="line.467"></a>
<span class="sourceLineNo">468</span><a name="line.468"></a>
<span class="sourceLineNo">469</span>        return (_replyString = buffer.toString());<a name="line.469"></a>
<span class="sourceLineNo">470</span>    }<a name="line.470"></a>
<span class="sourceLineNo">471</span><a name="line.471"></a>
<span class="sourceLineNo">472</span><a name="line.472"></a>
<span class="sourceLineNo">473</span>    /***<a name="line.473"></a>
<span class="sourceLineNo">474</span>     * A convenience method to send the SMTP HELO command to the server,<a name="line.474"></a>
<span class="sourceLineNo">475</span>     * receive the reply, and return the reply code.<a name="line.475"></a>
<span class="sourceLineNo">476</span>     * &lt;p&gt;<a name="line.476"></a>
<span class="sourceLineNo">477</span>     * @param hostname The hostname of the sender.<a name="line.477"></a>
<span class="sourceLineNo">478</span>     * @return The reply code received from the server.<a name="line.478"></a>
<span class="sourceLineNo">479</span>     * @exception SMTPConnectionClosedException<a name="line.479"></a>
<span class="sourceLineNo">480</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.480"></a>
<span class="sourceLineNo">481</span>     *      of the client being idle or some other reason causing the server<a name="line.481"></a>
<span class="sourceLineNo">482</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.482"></a>
<span class="sourceLineNo">483</span>     *      as an IOException or independently as itself.<a name="line.483"></a>
<span class="sourceLineNo">484</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.484"></a>
<span class="sourceLineNo">485</span>     *      command or receiving the server reply.<a name="line.485"></a>
<span class="sourceLineNo">486</span>     ***/<a name="line.486"></a>
<span class="sourceLineNo">487</span>    public int helo(String hostname) throws IOException<a name="line.487"></a>
<span class="sourceLineNo">488</span>    {<a name="line.488"></a>
<span class="sourceLineNo">489</span>        return sendCommand(SMTPCommand.HELO, hostname);<a name="line.489"></a>
<span class="sourceLineNo">490</span>    }<a name="line.490"></a>
<span class="sourceLineNo">491</span><a name="line.491"></a>
<span class="sourceLineNo">492</span><a name="line.492"></a>
<span class="sourceLineNo">493</span>    /***<a name="line.493"></a>
<span class="sourceLineNo">494</span>     * A convenience method to send the SMTP MAIL command to the server,<a name="line.494"></a>
<span class="sourceLineNo">495</span>     * receive the reply, and return the reply code.<a name="line.495"></a>
<span class="sourceLineNo">496</span>     * &lt;p&gt;<a name="line.496"></a>
<span class="sourceLineNo">497</span>     * @param reversePath The reverese path.<a name="line.497"></a>
<span class="sourceLineNo">498</span>     * @return The reply code received from the server.<a name="line.498"></a>
<span class="sourceLineNo">499</span>     * @exception SMTPConnectionClosedException<a name="line.499"></a>
<span class="sourceLineNo">500</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.500"></a>
<span class="sourceLineNo">501</span>     *      of the client being idle or some other reason causing the server<a name="line.501"></a>
<span class="sourceLineNo">502</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.502"></a>
<span class="sourceLineNo">503</span>     *      as an IOException or independently as itself.<a name="line.503"></a>
<span class="sourceLineNo">504</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.504"></a>
<span class="sourceLineNo">505</span>     *      command or receiving the server reply.<a name="line.505"></a>
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<span class="sourceLineNo">507</span>    public int mail(String reversePath) throws IOException<a name="line.507"></a>
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<span class="sourceLineNo">512</span><a name="line.512"></a>
<span class="sourceLineNo">513</span>    /***<a name="line.513"></a>
<span class="sourceLineNo">514</span>     * A convenience method to send the SMTP RCPT command to the server,<a name="line.514"></a>
<span class="sourceLineNo">515</span>     * receive the reply, and return the reply code.<a name="line.515"></a>
<span class="sourceLineNo">516</span>     * &lt;p&gt;<a name="line.516"></a>
<span class="sourceLineNo">517</span>     * @param forwardPath The forward path.<a name="line.517"></a>
<span class="sourceLineNo">518</span>     * @return The reply code received from the server.<a name="line.518"></a>
<span class="sourceLineNo">519</span>     * @exception SMTPConnectionClosedException<a name="line.519"></a>
<span class="sourceLineNo">520</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.520"></a>
<span class="sourceLineNo">521</span>     *      of the client being idle or some other reason causing the server<a name="line.521"></a>
<span class="sourceLineNo">522</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.522"></a>
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<span class="sourceLineNo">524</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.524"></a>
<span class="sourceLineNo">525</span>     *      command or receiving the server reply.<a name="line.525"></a>
<span class="sourceLineNo">526</span>     ***/<a name="line.526"></a>
<span class="sourceLineNo">527</span>    public int rcpt(String forwardPath) throws IOException<a name="line.527"></a>
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<span class="sourceLineNo">529</span>        return __sendCommand(SMTPCommand.RCPT, forwardPath, false);<a name="line.529"></a>
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<span class="sourceLineNo">532</span><a name="line.532"></a>
<span class="sourceLineNo">533</span>    /***<a name="line.533"></a>
<span class="sourceLineNo">534</span>     * A convenience method to send the SMTP DATA command to the server,<a name="line.534"></a>
<span class="sourceLineNo">535</span>     * receive the reply, and return the reply code.<a name="line.535"></a>
<span class="sourceLineNo">536</span>     * &lt;p&gt;<a name="line.536"></a>
<span class="sourceLineNo">537</span>     * @return The reply code received from the server.<a name="line.537"></a>
<span class="sourceLineNo">538</span>     * @exception SMTPConnectionClosedException<a name="line.538"></a>
<span class="sourceLineNo">539</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.539"></a>
<span class="sourceLineNo">540</span>     *      of the client being idle or some other reason causing the server<a name="line.540"></a>
<span class="sourceLineNo">541</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.541"></a>
<span class="sourceLineNo">542</span>     *      as an IOException or independently as itself.<a name="line.542"></a>
<span class="sourceLineNo">543</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.543"></a>
<span class="sourceLineNo">544</span>     *      command or receiving the server reply.<a name="line.544"></a>
<span class="sourceLineNo">545</span>     ***/<a name="line.545"></a>
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<span class="sourceLineNo">547</span>    {<a name="line.547"></a>
<span class="sourceLineNo">548</span>        return sendCommand(SMTPCommand.DATA);<a name="line.548"></a>
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<span class="sourceLineNo">550</span><a name="line.550"></a>
<span class="sourceLineNo">551</span><a name="line.551"></a>
<span class="sourceLineNo">552</span>    /***<a name="line.552"></a>
<span class="sourceLineNo">553</span>     * A convenience method to send the SMTP SEND command to the server,<a name="line.553"></a>
<span class="sourceLineNo">554</span>     * receive the reply, and return the reply code.<a name="line.554"></a>
<span class="sourceLineNo">555</span>     * &lt;p&gt;<a name="line.555"></a>
<span class="sourceLineNo">556</span>     * @param reversePath The reverese path.<a name="line.556"></a>
<span class="sourceLineNo">557</span>     * @return The reply code received from the server.<a name="line.557"></a>
<span class="sourceLineNo">558</span>     * @exception SMTPConnectionClosedException<a name="line.558"></a>
<span class="sourceLineNo">559</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.559"></a>
<span class="sourceLineNo">560</span>     *      of the client being idle or some other reason causing the server<a name="line.560"></a>
<span class="sourceLineNo">561</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.561"></a>
<span class="sourceLineNo">562</span>     *      as an IOException or independently as itself.<a name="line.562"></a>
<span class="sourceLineNo">563</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.563"></a>
<span class="sourceLineNo">564</span>     *      command or receiving the server reply.<a name="line.564"></a>
<span class="sourceLineNo">565</span>     ***/<a name="line.565"></a>
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<span class="sourceLineNo">570</span><a name="line.570"></a>
<span class="sourceLineNo">571</span><a name="line.571"></a>
<span class="sourceLineNo">572</span>    /***<a name="line.572"></a>
<span class="sourceLineNo">573</span>     * A convenience method to send the SMTP SOML command to the server,<a name="line.573"></a>
<span class="sourceLineNo">574</span>     * receive the reply, and return the reply code.<a name="line.574"></a>
<span class="sourceLineNo">575</span>     * &lt;p&gt;<a name="line.575"></a>
<span class="sourceLineNo">576</span>     * @param reversePath The reverese path.<a name="line.576"></a>
<span class="sourceLineNo">577</span>     * @return The reply code received from the server.<a name="line.577"></a>
<span class="sourceLineNo">578</span>     * @exception SMTPConnectionClosedException<a name="line.578"></a>
<span class="sourceLineNo">579</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.579"></a>
<span class="sourceLineNo">580</span>     *      of the client being idle or some other reason causing the server<a name="line.580"></a>
<span class="sourceLineNo">581</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.581"></a>
<span class="sourceLineNo">582</span>     *      as an IOException or independently as itself.<a name="line.582"></a>
<span class="sourceLineNo">583</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.583"></a>
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<span class="sourceLineNo">585</span>     ***/<a name="line.585"></a>
<span class="sourceLineNo">586</span>    public int soml(String reversePath) throws IOException<a name="line.586"></a>
<span class="sourceLineNo">587</span>    {<a name="line.587"></a>
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<span class="sourceLineNo">590</span><a name="line.590"></a>
<span class="sourceLineNo">591</span><a name="line.591"></a>
<span class="sourceLineNo">592</span>    /***<a name="line.592"></a>
<span class="sourceLineNo">593</span>     * A convenience method to send the SMTP SAML command to the server,<a name="line.593"></a>
<span class="sourceLineNo">594</span>     * receive the reply, and return the reply code.<a name="line.594"></a>
<span class="sourceLineNo">595</span>     * &lt;p&gt;<a name="line.595"></a>
<span class="sourceLineNo">596</span>     * @param reversePath The reverese path.<a name="line.596"></a>
<span class="sourceLineNo">597</span>     * @return The reply code received from the server.<a name="line.597"></a>
<span class="sourceLineNo">598</span>     * @exception SMTPConnectionClosedException<a name="line.598"></a>
<span class="sourceLineNo">599</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.599"></a>
<span class="sourceLineNo">600</span>     *      of the client being idle or some other reason causing the server<a name="line.600"></a>
<span class="sourceLineNo">601</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.601"></a>
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<span class="sourceLineNo">603</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.603"></a>
<span class="sourceLineNo">604</span>     *      command or receiving the server reply.<a name="line.604"></a>
<span class="sourceLineNo">605</span>     ***/<a name="line.605"></a>
<span class="sourceLineNo">606</span>    public int saml(String reversePath) throws IOException<a name="line.606"></a>
<span class="sourceLineNo">607</span>    {<a name="line.607"></a>
<span class="sourceLineNo">608</span>        return sendCommand(SMTPCommand.SAML, reversePath);<a name="line.608"></a>
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<span class="sourceLineNo">610</span><a name="line.610"></a>
<span class="sourceLineNo">611</span><a name="line.611"></a>
<span class="sourceLineNo">612</span>    /***<a name="line.612"></a>
<span class="sourceLineNo">613</span>     * A convenience method to send the SMTP RSET command to the server,<a name="line.613"></a>
<span class="sourceLineNo">614</span>     * receive the reply, and return the reply code.<a name="line.614"></a>
<span class="sourceLineNo">615</span>     * &lt;p&gt;<a name="line.615"></a>
<span class="sourceLineNo">616</span>     * @return The reply code received from the server.<a name="line.616"></a>
<span class="sourceLineNo">617</span>     * @exception SMTPConnectionClosedException<a name="line.617"></a>
<span class="sourceLineNo">618</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.618"></a>
<span class="sourceLineNo">619</span>     *      of the client being idle or some other reason causing the server<a name="line.619"></a>
<span class="sourceLineNo">620</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.620"></a>
<span class="sourceLineNo">621</span>     *      as an IOException or independently as itself.<a name="line.621"></a>
<span class="sourceLineNo">622</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.622"></a>
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<span class="sourceLineNo">624</span>     ***/<a name="line.624"></a>
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<span class="sourceLineNo">626</span>    {<a name="line.626"></a>
<span class="sourceLineNo">627</span>        return sendCommand(SMTPCommand.RSET);<a name="line.627"></a>
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<span class="sourceLineNo">630</span><a name="line.630"></a>
<span class="sourceLineNo">631</span>    /***<a name="line.631"></a>
<span class="sourceLineNo">632</span>     * A convenience method to send the SMTP VRFY command to the server,<a name="line.632"></a>
<span class="sourceLineNo">633</span>     * receive the reply, and return the reply code.<a name="line.633"></a>
<span class="sourceLineNo">634</span>     * &lt;p&gt;<a name="line.634"></a>
<span class="sourceLineNo">635</span>     * @param user The user address to verify.<a name="line.635"></a>
<span class="sourceLineNo">636</span>     * @return The reply code received from the server.<a name="line.636"></a>
<span class="sourceLineNo">637</span>     * @exception SMTPConnectionClosedException<a name="line.637"></a>
<span class="sourceLineNo">638</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.638"></a>
<span class="sourceLineNo">639</span>     *      of the client being idle or some other reason causing the server<a name="line.639"></a>
<span class="sourceLineNo">640</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.640"></a>
<span class="sourceLineNo">641</span>     *      as an IOException or independently as itself.<a name="line.641"></a>
<span class="sourceLineNo">642</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.642"></a>
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<span class="sourceLineNo">644</span>     ***/<a name="line.644"></a>
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<span class="sourceLineNo">646</span>    {<a name="line.646"></a>
<span class="sourceLineNo">647</span>        return sendCommand(SMTPCommand.VRFY, user);<a name="line.647"></a>
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<span class="sourceLineNo">649</span><a name="line.649"></a>
<span class="sourceLineNo">650</span><a name="line.650"></a>
<span class="sourceLineNo">651</span>    /***<a name="line.651"></a>
<span class="sourceLineNo">652</span>     * A convenience method to send the SMTP VRFY command to the server,<a name="line.652"></a>
<span class="sourceLineNo">653</span>     * receive the reply, and return the reply code.<a name="line.653"></a>
<span class="sourceLineNo">654</span>     * &lt;p&gt;<a name="line.654"></a>
<span class="sourceLineNo">655</span>     * @param name The name to expand.<a name="line.655"></a>
<span class="sourceLineNo">656</span>     * @return The reply code received from the server.<a name="line.656"></a>
<span class="sourceLineNo">657</span>     * @exception SMTPConnectionClosedException<a name="line.657"></a>
<span class="sourceLineNo">658</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.658"></a>
<span class="sourceLineNo">659</span>     *      of the client being idle or some other reason causing the server<a name="line.659"></a>
<span class="sourceLineNo">660</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.660"></a>
<span class="sourceLineNo">661</span>     *      as an IOException or independently as itself.<a name="line.661"></a>
<span class="sourceLineNo">662</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.662"></a>
<span class="sourceLineNo">663</span>     *      command or receiving the server reply.<a name="line.663"></a>
<span class="sourceLineNo">664</span>     ***/<a name="line.664"></a>
<span class="sourceLineNo">665</span>    public int expn(String name) throws IOException<a name="line.665"></a>
<span class="sourceLineNo">666</span>    {<a name="line.666"></a>
<span class="sourceLineNo">667</span>        return sendCommand(SMTPCommand.EXPN, name);<a name="line.667"></a>
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<span class="sourceLineNo">669</span><a name="line.669"></a>
<span class="sourceLineNo">670</span>    /***<a name="line.670"></a>
<span class="sourceLineNo">671</span>     * A convenience method to send the SMTP HELP command to the server,<a name="line.671"></a>
<span class="sourceLineNo">672</span>     * receive the reply, and return the reply code.<a name="line.672"></a>
<span class="sourceLineNo">673</span>     * &lt;p&gt;<a name="line.673"></a>
<span class="sourceLineNo">674</span>     * @return The reply code received from the server.<a name="line.674"></a>
<span class="sourceLineNo">675</span>     * @exception SMTPConnectionClosedException<a name="line.675"></a>
<span class="sourceLineNo">676</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.676"></a>
<span class="sourceLineNo">677</span>     *      of the client being idle or some other reason causing the server<a name="line.677"></a>
<span class="sourceLineNo">678</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.678"></a>
<span class="sourceLineNo">679</span>     *      as an IOException or independently as itself.<a name="line.679"></a>
<span class="sourceLineNo">680</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.680"></a>
<span class="sourceLineNo">681</span>     *      command or receiving the server reply.<a name="line.681"></a>
<span class="sourceLineNo">682</span>     ***/<a name="line.682"></a>
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<span class="sourceLineNo">684</span>    {<a name="line.684"></a>
<span class="sourceLineNo">685</span>        return sendCommand(SMTPCommand.HELP);<a name="line.685"></a>
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<span class="sourceLineNo">687</span><a name="line.687"></a>
<span class="sourceLineNo">688</span>    /***<a name="line.688"></a>
<span class="sourceLineNo">689</span>     * A convenience method to send the SMTP HELP command to the server,<a name="line.689"></a>
<span class="sourceLineNo">690</span>     * receive the reply, and return the reply code.<a name="line.690"></a>
<span class="sourceLineNo">691</span>     * &lt;p&gt;<a name="line.691"></a>
<span class="sourceLineNo">692</span>     * @param command  The command name on which to request help.<a name="line.692"></a>
<span class="sourceLineNo">693</span>     * @return The reply code received from the server.<a name="line.693"></a>
<span class="sourceLineNo">694</span>     * @exception SMTPConnectionClosedException<a name="line.694"></a>
<span class="sourceLineNo">695</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.695"></a>
<span class="sourceLineNo">696</span>     *      of the client being idle or some other reason causing the server<a name="line.696"></a>
<span class="sourceLineNo">697</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.697"></a>
<span class="sourceLineNo">698</span>     *      as an IOException or independently as itself.<a name="line.698"></a>
<span class="sourceLineNo">699</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.699"></a>
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<span class="sourceLineNo">701</span>     ***/<a name="line.701"></a>
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<span class="sourceLineNo">706</span><a name="line.706"></a>
<span class="sourceLineNo">707</span>    /***<a name="line.707"></a>
<span class="sourceLineNo">708</span>     * A convenience method to send the SMTP NOOP command to the server,<a name="line.708"></a>
<span class="sourceLineNo">709</span>     * receive the reply, and return the reply code.<a name="line.709"></a>
<span class="sourceLineNo">710</span>     * &lt;p&gt;<a name="line.710"></a>
<span class="sourceLineNo">711</span>     * @return The reply code received from the server.<a name="line.711"></a>
<span class="sourceLineNo">712</span>     * @exception SMTPConnectionClosedException<a name="line.712"></a>
<span class="sourceLineNo">713</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.713"></a>
<span class="sourceLineNo">714</span>     *      of the client being idle or some other reason causing the server<a name="line.714"></a>
<span class="sourceLineNo">715</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.715"></a>
<span class="sourceLineNo">716</span>     *      as an IOException or independently as itself.<a name="line.716"></a>
<span class="sourceLineNo">717</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.717"></a>
<span class="sourceLineNo">718</span>     *      command or receiving the server reply.<a name="line.718"></a>
<span class="sourceLineNo">719</span>     ***/<a name="line.719"></a>
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<span class="sourceLineNo">721</span>    {<a name="line.721"></a>
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<span class="sourceLineNo">724</span><a name="line.724"></a>
<span class="sourceLineNo">725</span><a name="line.725"></a>
<span class="sourceLineNo">726</span>    /***<a name="line.726"></a>
<span class="sourceLineNo">727</span>     * A convenience method to send the SMTP TURN command to the server,<a name="line.727"></a>
<span class="sourceLineNo">728</span>     * receive the reply, and return the reply code.<a name="line.728"></a>
<span class="sourceLineNo">729</span>     * &lt;p&gt;<a name="line.729"></a>
<span class="sourceLineNo">730</span>     * @return The reply code received from the server.<a name="line.730"></a>
<span class="sourceLineNo">731</span>     * @exception SMTPConnectionClosedException<a name="line.731"></a>
<span class="sourceLineNo">732</span>     *      If the SMTP server prematurely closes the connection as a result<a name="line.732"></a>
<span class="sourceLineNo">733</span>     *      of the client being idle or some other reason causing the server<a name="line.733"></a>
<span class="sourceLineNo">734</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.734"></a>
<span class="sourceLineNo">735</span>     *      as an IOException or independently as itself.<a name="line.735"></a>
<span class="sourceLineNo">736</span>     * @exception IOException  If an I/O error occurs while either sending the<a name="line.736"></a>
<span class="sourceLineNo">737</span>     *      command or receiving the server reply.<a name="line.737"></a>
<span class="sourceLineNo">738</span>     ***/<a name="line.738"></a>
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<span class="sourceLineNo">743</span><a name="line.743"></a>
<span class="sourceLineNo">744</span><a name="line.744"></a>
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<span class="sourceLineNo">746</span>     * A convenience method to send the SMTP QUIT command to the server,<a name="line.746"></a>
<span class="sourceLineNo">747</span>     * receive the reply, and return the reply code.<a name="line.747"></a>
<span class="sourceLineNo">748</span>     * &lt;p&gt;<a name="line.748"></a>
<span class="sourceLineNo">749</span>     * @return The reply code received from the server.<a name="line.749"></a>
<span class="sourceLineNo">750</span>     * @exception SMTPConnectionClosedException<a name="line.750"></a>
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<span class="sourceLineNo">752</span>     *      of the client being idle or some other reason causing the server<a name="line.752"></a>
<span class="sourceLineNo">753</span>     *      to send SMTP reply code 421.  This exception may be caught either<a name="line.753"></a>
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<span class="sourceLineNo">774</span>    /**<a name="line.774"></a>
<span class="sourceLineNo">775</span>     * Provide command support to super-class<a name="line.775"></a>
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<span class="sourceLineNo">782</span><a name="line.782"></a>
<span class="sourceLineNo">783</span>/* Emacs configuration<a name="line.783"></a>
<span class="sourceLineNo">784</span> * Local variables:        **<a name="line.784"></a>
<span class="sourceLineNo">785</span> * mode:             java  **<a name="line.785"></a>
<span class="sourceLineNo">786</span> * c-basic-offset:   4     **<a name="line.786"></a>
<span class="sourceLineNo">787</span> * indent-tabs-mode: nil   **<a name="line.787"></a>
<span class="sourceLineNo">788</span> * End:                    **<a name="line.788"></a>
<span class="sourceLineNo">789</span> */<a name="line.789"></a>




























































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